TENSOR ANALYSIS — branch of mathematics concerned with relations or laws that remain valid regardless of the system of coordinates used to specify …Britannica English vocabulary

PREFABRICATION — the assembly of buildings or their components at a location other than the building site. The method controls construction costs …Britannica English vocabulary

PHOTOGRAPHY, TECHNOLOGY OF — equipment, techniques, and processes used in the production of photographs. Figure 1: Sequence of negative-positive process, from the photographing of …Britannica English vocabulary

PAPER CHROMATOGRAPHY — in analytical chemistry, technique for separating dissolved chemical substances by taking advantage of their different rates of migration across sheets …Britannica English vocabulary

METABOLISM — the sum of all the chemical reactions that take place within every single cell of a living organism, providing energy …Britannica English vocabulary

MATERIALS SCIENCE — study of the properties of solid materials and how these properties arise from a material's structure. The study encompasses the …Britannica English vocabulary

CHROMATOGRAPHY — method for separating chemical substances that makes use of the relative rates at which they are adsorbed from a moving …Britannica English vocabulary

BIOSPHERE — relatively thin life-supporting stratum of the Earth's surface, extending from a few kilometres into the atmosphere to the deep-sea vents …Britannica English vocabulary

AMMUNITION — the projectiles and propelling charges used in small arms, artillery, and other guns. Ammunition size is usually expressed in terms …Britannica English vocabulary

YEAR IN REVIEW 2001: NOBEL-PRIZES — Prize for Chemistry It was once common knowledge that plastics-polymeric materials that can be molded or shaped-are fundamentally different from …Britannica English vocabulary

TEXTILE FINISHING PROCESSES — Textile finishing processes Basic methods and processes The term finishing includes all the mechanical and chemical processes employed commercially to …Britannica English vocabulary